Thomas Griffin has the lowest wRC+ by a first baseman in a season, with -249 wRC+ in 1884.

Interpreted as:

lowest wrc+ with a minimum of 3.1 PA per team game by a 1b in a season

	NAME	WRC+	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	BRAA
1	Thomas Griffin T. Griffin	-249	1884	MIL	11	41	5	9	2	0	0		3					44	11	2					.220		.268		6	-0.8	.256	-21.8
2	Ivy Griffin I. Griffin	45	1920	PHA	129	467	46	111	15	1	0	20	17	11	49	3	3	508	128	16	13				.238	.281	.274	.555	32	-25.4	.268	-36.2
3	Chris Davis C. Davis	46	2018	BAL	128	470	40	79	12	0	16	49	41	7	192	2	0	522	139	28	0	4	2	5	.168	.243	.296	.539	29	-32.3	.239	-33.7
4	Andrew Vaughn A. Vaughn	48	2025	CWS	37	144	8	27	6	0	4	15	7	0	37	0	0	152	45	10	0	1	0	3	.188	.224	.313	.536	8	-9.2	.237	-9
5	Art Croft A. Croft	48	1878	IND	60	222	22	35	6	0	0	16	5		23			227	41	6					.158		.185		13	-18	.171	-16.6
6	Spencer Steer S. Steer	50	2025	CIN	33	127	18	24	4	0	3	11	11	1	33	2	0	139	37	7	0	0	0	4	.189	.259	.291	.550	9	-6.9	.252	-8.2
7	Bud Sharpe B. Sharpe	52	1910	TOT	119	455	32	108	14	4	0	30	14	1	33	4		490	130	18	20				.237	.262	.286	.547	34	-16.9	.267	-27.3
8	Hughie Miller H. Miller	54	1914	SLF	132	490	51	109	20	5	0	46	27	1	57	4		533	139	25	15				.222	.264	.284	.548	36	-20	.266	-29
9	John Ganzel J. Ganzel	55	1901	NYG	138	526	42	113	13	3	2	66	20	9	32	6		562	138	18	7				.215	.256	.262	.518	40	-33.2	.251	-33.5
10	Phil Todt P. Todt	57	1927	BSA	140	516	55	122	22	6	6	52	28	3	23	6	2	571	174	34	24				.236	.280	.337	.617	44	-26.1	.288	-33.1
11	Charlie Grimm C. Grimm	58	1920	PIT	148	533	38	121	13	7	2	54	30	4	40	7	8	581	154	22	14				.227	.273	.289	.562	38	-28.6	.269	-27.2
12	Ryan Mountcastle R. Mountcastle	58	2025	BAL	36	120	13	25	7	0	2	11	5	1	32	0	0	128	38	9	0	2	0	4	.208	.242	.317	.559	8	-6.8	.247	-6.1
13	Buddy Hassett B. Hassett	59	1940	BSN	124	458	59	107	19	4	0	27	25	0	16	4		485	134	23	2			14	.234	.273	.293	.566	31	-27.3	.263	-24.1
14	Jim Toy J. Toy	59	1887	CLE	109	423	56	94	20	5	1	56	17	2	40	8		442	127	26					.222	.256	.300	.556	45	-27.5	.260	-31.1
15	Jack Boyle J. Boyle	62	1895	PHI	133	565	90	143	17	4	0	67	35	5	23	13		625	168	21	20				.253	.302	.297	.600	64	-39.3	.293	-41.3
16	Walter Holke W. Holke	62	1921	BSN	150	579	60	151	15	10	3	63	17	2	41	8	11	621	195	28	23				.261	.284	.337	.621	47	-30.8	.286	-29.8
17	Hick Carpenter H. Carpenter	63	1879	SYR	65	261	30	53	6	0	0	20	2		15			263	59	6					.203		.226		22	-14.5	.198	-13.8
18	Roy Leslie R. Leslie	63	1922	PHN	141	513	44	139	23	2	6	50	37	0	49	3	7	567	184	31	17				.271	.320	.359	.679	57	-14.2	.317	-28.3
19	Johnny Sturm J. Sturm	63	1941	NYY	124	524	58	125	17	3	3	36	37	3	50	3	5	568	157	23	4			10	.239	.293	.300	.592	43	-22.3	.282	-27.6
20	Tom Power T. Power	64	1890	BAL	38	125	11	26	3	1	0	6	13	2		6		140	31	4					.208	.293	.248	.541	15	-6.9	.277	-7.7
21	Jay Faatz J. Faatz	64	1889	CLE	117	442	50	102	12	5	2	38	17	10	28	27		469	130	19					.231	.275	.294	.569	49	-22.7	.276	-27.5
22	Charlie Carr C. Carr	64	1904	TOT	124	480	38	104	18	4	0	47	18	1	52	6		521	130	22	22				.217	.246	.271	.517	35	-18.1	.249	-19.6
23	Milt Scott M. Scott	64	1886	BAL	137	484	48	92	11	4	2	52	22	9		11		515	117	17					.190	.239	.242	.481	48	-27.6	.234	-27.2
24	Patsy Tebeau P. Tebeau	66	1896	CLE	132	543	56	146	22	6	2	94	21	3	22	20		581	186	30	14				.269	.300	.343	.642	64	-25.1	.304	-32
25	Mike Lehane M. Lehane	66	1891	COL	137	511	59	110	12	7	1	52	34	3	77	16		548	139	20					.215	.268	.272	.540	52	-28.2	.267	-29.2